Microbes in Aquatic Environment Coliforms are used as indicator organisms because None of these they are present wherever enteric pathogens are present both (a) and (b) a testing procedure with great specificity is easy to perform None of these they are present wherever enteric pathogens are present both (a) and (b) a testing procedure with great specificity is easy to perform ANSWER DOWNLOAD EXAMIANS APP
Microbes in Aquatic Environment Which of the following species in water reveal the presence of fecal pollution of human or animal origin? All of these E.coli Fecal Streptococci Clostridium perfringens All of these E.coli Fecal Streptococci Clostridium perfringens ANSWER DOWNLOAD EXAMIANS APP
Microbes in Aquatic Environment Because it can be used with a variety of media and allow a resuscitation step the __________ technique has become the common and often preferred method of evaluating the microbiological characteristics of water. most probable number membrane filtration Winogradsky MUG most probable number membrane filtration Winogradsky MUG ANSWER DOWNLOAD EXAMIANS APP
Microbes in Aquatic Environment The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water. greater half lesser approximately equal greater half lesser approximately equal ANSWER DOWNLOAD EXAMIANS APP
Microbes in Aquatic Environment Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except Escherichia Rhodospirillum Clostridium Chlorobium Escherichia Rhodospirillum Clostridium Chlorobium ANSWER DOWNLOAD EXAMIANS APP
Microbes in Aquatic Environment The sulfur pearl of Namibia, Thiomargarita namibiensis is the worlds largest bacterium is the worlds smallest bacterium Both (a) and (b) stores high concentrations of nitrate in a huge internal vacuole which takes up 98% of the organisms volume is the worlds largest bacterium is the worlds smallest bacterium Both (a) and (b) stores high concentrations of nitrate in a huge internal vacuole which takes up 98% of the organisms volume ANSWER DOWNLOAD EXAMIANS APP
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